Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check for NULL pcb!

This commit is contained in:
reinoud 2011-09-05 18:50:34 +00:00
parent 3e9b49498c
commit f4a0812d54
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/arch/usermode/usermode/trap.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.26 2011/09/05 12:04:40 reinoud Exp $ */
/* $NetBSD: trap.c,v 1.27 2011/09/05 18:50:34 reinoud Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <reinoud@netbsd.org>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.26 2011/09/05 12:04:40 reinoud Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.27 2011/09/05 18:50:34 reinoud Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -174,6 +174,11 @@ mem_access_handler(int sig, siginfo_t *info, void *ctx)
if (!pmap_fault(vm_map->pmap, va, &atype)) {
aprint_debug("pmap fault couldn't handle it! : "
"derived atype %d\n", atype);
/* extra debug for now */
if (pcb == 0)
panic("NULL pcb!\n");
pcb->pcb_onfault = NULL;
rv = uvm_fault(vm_map, va, atype);
pcb->pcb_onfault = onfault;